20204008064

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 42586387200

約数和(自身を除く): 22382379136

約数列:

[1, 2, 4, 8, 16, 32, 37, 47, 64, 74, 94, 128, 139, 148, 188, 278, 296, 376, 556, 592, 653, 752, 1112, 1184, 1306, 1504, 1739, 2224, 2368, 2612, 3008, 3478, 4448, 4736, 5143, 5224, 6016, 6533, 6956, 8896, 10286, 10448, 13066, 13912, 17792, 20572, 20896, 24161, 26132, 27824, 30691, 41144, 41792, 48322, 52264, 55648, 61382, 82288, 83584, 90767, 96644, 104528, 111296, 122764, 164576, 181534, 193288, 209056, 222592, 241721, 245528, 329152, 363068, 386576, 418112, 483442, 491056, 658304, 726136, 773152, 836224, 966884, 982112, 1135567, 1452272, 1546304, 1933768, 1964224, 2271134, 2904544, 3092608, 3358379, 3867536, 3928448, 4266049, 4542268, 5809088, 6716758, 7735072, 8532098, 9084536, 11618176, 13433516, 15470144, 17064196, 18169072, 26867032, 30940288, 34128392, 36338144, 53734064, 68256784, 72676288, 107468128, 136513568, 145352576, 157843813, 214936256, 273027136, 315687626, 429872512, 546054272, 631375252, 1262750504, 2525501008, 5051002016, 10102004032, 20204008064]

約数ペア:

[(1, 20204008064), (2, 10102004032), (4, 5051002016), (8, 2525501008), (16, 1262750504), (32, 631375252), (37, 546054272), (47, 429872512), (64, 315687626), (74, 273027136), (94, 214936256), (128, 157843813), (139, 145352576), (148, 136513568), (188, 107468128), (278, 72676288), (296, 68256784), (376, 53734064), (556, 36338144), (592, 34128392), (653, 30940288), (752, 26867032), (1112, 18169072), (1184, 17064196), (1306, 15470144), (1504, 13433516), (1739, 11618176), (2224, 9084536), (2368, 8532098), (2612, 7735072), (3008, 6716758), (3478, 5809088), (4448, 4542268), (4736, 4266049), (5143, 3928448), (5224, 3867536), (6016, 3358379), (6533, 3092608), (6956, 2904544), (8896, 2271134), (10286, 1964224), (10448, 1933768), (13066, 1546304), (13912, 1452272), (17792, 1135567), (20572, 982112), (20896, 966884), (24161, 836224), (26132, 773152), (27824, 726136), (30691, 658304), (41144, 491056), (41792, 483442), (48322, 418112), (52264, 386576), (55648, 363068), (61382, 329152), (82288, 245528), (83584, 241721), (90767, 222592), (96644, 209056), (104528, 193288), (111296, 181534), (122764, 164576)]